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YES Club 第18期——Resonant Inelastic X-ray Scattering from correlated electron systems and unconventional High-Tc Superconductors

时间:2016年07月04日 点击数: 出处: 编辑:

YES Club活动第18期

报告题目:Resonant Inelastic X-ray Scattering from correlated electron systems and unconventional High-Tc Superconductors

报告时间:2016年7月12日 上午10:30

报告地点:12号厅会议室

报告人:周克瑾博士(英国Diamond光源软X射线共振非弹性散射先进实验光束线首席科学家)

报告简介:Resonant inelastic X-ray scattering (RIXS) [1, 2] is a powerful bulk-sensitive photon-in / photon-out spectroscopic and scattering probe with elemental sensitivity for the electronic structure of condensed matter. It is a unique tool for studying low energy excitations in complex correlated systems, being direct-ly sensitive to charge-, orbital-, spin-, and lattice-degrees of freedom. Dedicated instrumentation for RIXS with ultra-high resolution in energy and momentum spaces has become available thereby enabling charac-terization of collective excitations such as orbitons, magnons and phonons. In this presentation I will give a brief introduction to RIXS technique and focus on the application in correlated electron systems and unconventional high-Tc superconductors [3-9]. The status of the next-generation RIXS facility at Dia-mond Light Source will be also updated during the talk.

References

[1] A.Kotani and S.Shin, Rev. Mod. Phys. 73, 203 (2001)

[2] Luuk J. P. Ament, M van Veenendaal, and T. P., Devereaux et al., Rev. Mod. Phys. 83, 705 (2011)

[3] M. Le Tacon, G. Ghiringhelli, and J. Chaloupka et al., Nature Phys. 7, 725 (2011)

[4] J. Schlappa, K. Wohlfeld, and K. J. Zhou et al. Nature 485, 82 (2012)

[5] M. P. M. Dean, R. S. Springell, and C. Monney et al., Nature Mater. 11, 850 (2012)

[6] K. J. Zhou, Y. B. Huang, and C. Monney et al., Nature commun. 4, 1470 (2013)

[7] G. Ghiringhelli, M. Le Tacon, M. Minola et al. Science, 337, 821 (2012)

[8] J. Kim, D. Casa, M.H. Upton, et al., Phys. Rev. Lett. 108, 177003 (2012)

[9] S. Johnston, C. Monney, V. Bisogni et al., Nature Commun. 7, 10563 (2016)

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